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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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UL 508认证
UL是一种安全标准认证，旨在实现与材料、设备、产品和工具设备功能和安全相关的标准化，由美国安全检测实验室公司认证。
按本安全标准进行试验，合格的产品出具合格证和标记。.
可编程逻辑控制器（PLC）、电源装置、不间断电源（UPS）和工业控制设备等全球设备制造商的产品均获得UL 508认证。
在单元认证中，安装在单元中的部件也由UL 508定义。
具体而言，需要符合UL 508标准的开关设备，包括机械继电器和固态继电器。逻辑输出光耦等通用光耦不在本范围内，但属于固态继电器产品组的光继电器在本范围内，需要采用。
对于固态继电器（SSR），树脂温度限制上限为105°C。[注1] 以下东芝光继电器（一种MOSFET输出类型的固态继电器）通过UL 508认证，对应于NRNT。[注2] 它们可以在该温度限制下使用。
使用我们的UL认证产品，您可以制造符合UL标准的控制设备，并可以确保固态继电器的温度设计范围。
[注1] 塑料的温度限制（环氧树脂）
[注2] 工业控制开关，非电机负载固态控制装置
UL 508认证的光继电器
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